Performance analysis of vanadium redox flow battery for residential photovoltaic integrated energy storage system

IF 6.5 Q2 ENGINEERING, ENVIRONMENTAL

Cleaner Engineering and Technology Pub Date : 2025-10-03 DOI:10.1016/j.clet.2025.101087

Akeratana Noppakant , Surasak Noituptim , Sawek Pratummet , Supapradit Marsong , Wanwinit Wijittemee , Sarun Nakthanom , Boonyang Plangklang

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Abstract

This research investigates the integration of photovoltaic (PV) rooftop systems with vanadium redox flow batteries (VRFB) for residential energy storage applications. Using solar irradiance data from the Bangkok Metropolitan Region and residential load profiles based on energy consumption statistics for Thai households, simulations were conducted using Homer Pro to evaluate system performance and optimize component sizing. The results showed that increasing PV capacity leads to significant surplus energy, which can be effectively stored in VRFB systems. A configuration consisting of a 6 kW PV system and a 35 kWh VRFB achieved an energy storage efficiency of 80.14 %, reduced electricity costs by 35 % compared to grid-only usage, and lowered annual CO₂ emissions by 4.73 ton CO₂/year relative to conventional fossil-based systems. Additionally, the system enhanced grid independence by fully eliminating peak demand fluctuations and maintained stable operation under varying solar conditions. These findings offered practical insights for the design of efficient and sustainable PV-VRFB systems in residential settings.

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住宅光伏综合储能系统用钒氧化还原液流电池性能分析

本研究探讨了光伏（PV）屋顶系统与钒氧化还原液流电池（VRFB）在住宅储能应用中的集成。利用曼谷都市区的太阳辐照度数据和基于泰国家庭能源消耗统计的住宅负荷概况，使用Homer Pro进行了模拟，以评估系统性能并优化组件尺寸。结果表明，增加光伏容量会产生大量剩余能量，这些剩余能量可以有效地存储在VRFB系统中。由6千瓦光伏系统和35千瓦时VRFB组成的配置实现了80.14%的储能效率，与仅使用电网相比，降低了35%的电力成本，与传统的化石燃料系统相比，每年减少4.73吨二氧化碳排放。此外，系统通过充分消除高峰需求波动，增强电网独立性，在不同的太阳能条件下保持稳定运行。这些发现为在住宅环境中设计高效和可持续的PV-VRFB系统提供了实用的见解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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